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====================================================================                   Red Hat Security Advisory

Synopsis:          Important: glibc security update
Advisory ID:       RHSA-2015:2172-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2015:2172.html
Issue date:        2015-11-19
CVE Names:         CVE-2015-5277 
====================================================================
1. Summary:

Updated glibc packages that fix one security issue are now available for
Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having Important security
impact. A Common Vulnerability Scoring System (CVSS) base score, which
gives a detailed severity rating, is available from the CVE link in the
References section.

2. Relevant releases/architectures:

Red Hat Enterprise Linux Client (v. 7) - x86_64
Red Hat Enterprise Linux Client Optional (v. 7) - x86_64
Red Hat Enterprise Linux ComputeNode (v. 7) - x86_64
Red Hat Enterprise Linux ComputeNode Optional (v. 7) - x86_64
Red Hat Enterprise Linux Server (v. 7) - aarch64, ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 7) - aarch64, ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Workstation (v. 7) - x86_64
Red Hat Enterprise Linux Workstation Optional (v. 7) - x86_64

3. Description:

The glibc packages provide the standard C libraries (libc), POSIX thread
libraries (libpthread), standard math libraries (libm), and the Name Server
Caching Daemon (nscd) used by multiple programs on the system. Without
these libraries, the Linux system cannot function correctly.

It was discovered that the nss_files backend for the Name Service Switch in
glibc would return incorrect data to applications or corrupt the heap
(depending on adjacent heap contents) in certain cases. A local attacker
could potentially use this flaw to escalate their privileges.
(CVE-2015-5277)

This issue was discovered by Sumit Bose and LukÃ¡Å¡ SlebodnÃk of Red Hat.

All glibc users are advised to upgrade to these updated packages, which
contain a backported patch to correct this issue.

4. Solution:

Before applying this update, make sure all previously released errata
relevant to your system have been applied.

For details on how to apply this update, refer to:

https://access.redhat.com/articles/11258

5. Bugs fixed (https://bugzilla.redhat.com/):

1262914 - CVE-2015-5277 glibc: data corruption while reading the NSS files database

6. Package List:

Red Hat Enterprise Linux Client (v. 7):

Source:
glibc-2.17-106.el7_2.1.src.rpm

x86_64:
glibc-2.17-106.el7_2.1.i686.rpm
glibc-2.17-106.el7_2.1.x86_64.rpm
glibc-common-2.17-106.el7_2.1.x86_64.rpm
glibc-debuginfo-2.17-106.el7_2.1.i686.rpm
glibc-debuginfo-2.17-106.el7_2.1.x86_64.rpm
glibc-debuginfo-common-2.17-106.el7_2.1.i686.rpm
glibc-debuginfo-common-2.17-106.el7_2.1.x86_64.rpm
glibc-devel-2.17-106.el7_2.1.i686.rpm
glibc-devel-2.17-106.el7_2.1.x86_64.rpm
glibc-headers-2.17-106.el7_2.1.x86_64.rpm
glibc-utils-2.17-106.el7_2.1.x86_64.rpm
nscd-2.17-106.el7_2.1.x86_64.rpm

Red Hat Enterprise Linux Client Optional (v. 7):

x86_64:
glibc-debuginfo-2.17-106.el7_2.1.i686.rpm
glibc-debuginfo-2.17-106.el7_2.1.x86_64.rpm
glibc-debuginfo-common-2.17-106.el7_2.1.i686.rpm
glibc-debuginfo-common-2.17-106.el7_2.1.x86_64.rpm
glibc-static-2.17-106.el7_2.1.i686.rpm
glibc-static-2.17-106.el7_2.1.x86_64.rpm

Red Hat Enterprise Linux ComputeNode (v. 7):

Source:
glibc-2.17-106.el7_2.1.src.rpm

x86_64:
glibc-2.17-106.el7_2.1.i686.rpm
glibc-2.17-106.el7_2.1.x86_64.rpm
glibc-common-2.17-106.el7_2.1.x86_64.rpm
glibc-debuginfo-2.17-106.el7_2.1.i686.rpm
glibc-debuginfo-2.17-106.el7_2.1.x86_64.rpm
glibc-debuginfo-common-2.17-106.el7_2.1.i686.rpm
glibc-debuginfo-common-2.17-106.el7_2.1.x86_64.rpm
glibc-devel-2.17-106.el7_2.1.i686.rpm
glibc-devel-2.17-106.el7_2.1.x86_64.rpm
glibc-headers-2.17-106.el7_2.1.x86_64.rpm
glibc-utils-2.17-106.el7_2.1.x86_64.rpm
nscd-2.17-106.el7_2.1.x86_64.rpm

Red Hat Enterprise Linux ComputeNode Optional (v. 7):

x86_64:
glibc-debuginfo-2.17-106.el7_2.1.i686.rpm
glibc-debuginfo-2.17-106.el7_2.1.x86_64.rpm
glibc-debuginfo-common-2.17-106.el7_2.1.i686.rpm
glibc-debuginfo-common-2.17-106.el7_2.1.x86_64.rpm
glibc-static-2.17-106.el7_2.1.i686.rpm
glibc-static-2.17-106.el7_2.1.x86_64.rpm

Red Hat Enterprise Linux Server (v. 7):

Source:
glibc-2.17-106.el7_2.1.src.rpm

aarch64:
glibc-2.17-106.el7_2.1.aarch64.rpm
glibc-common-2.17-106.el7_2.1.aarch64.rpm
glibc-debuginfo-2.17-106.el7_2.1.aarch64.rpm
glibc-devel-2.17-106.el7_2.1.aarch64.rpm
glibc-headers-2.17-106.el7_2.1.aarch64.rpm
glibc-utils-2.17-106.el7_2.1.aarch64.rpm
nscd-2.17-106.el7_2.1.aarch64.rpm

ppc64:
glibc-2.17-106.el7_2.1.ppc.rpm
glibc-2.17-106.el7_2.1.ppc64.rpm
glibc-common-2.17-106.el7_2.1.ppc64.rpm
glibc-debuginfo-2.17-106.el7_2.1.ppc.rpm
glibc-debuginfo-2.17-106.el7_2.1.ppc64.rpm
glibc-debuginfo-common-2.17-106.el7_2.1.ppc.rpm
glibc-debuginfo-common-2.17-106.el7_2.1.ppc64.rpm
glibc-devel-2.17-106.el7_2.1.ppc.rpm
glibc-devel-2.17-106.el7_2.1.ppc64.rpm
glibc-headers-2.17-106.el7_2.1.ppc64.rpm
glibc-utils-2.17-106.el7_2.1.ppc64.rpm
nscd-2.17-106.el7_2.1.ppc64.rpm

ppc64le:
glibc-2.17-106.el7_2.1.ppc64le.rpm
glibc-common-2.17-106.el7_2.1.ppc64le.rpm
glibc-debuginfo-2.17-106.el7_2.1.ppc64le.rpm
glibc-debuginfo-common-2.17-106.el7_2.1.ppc64le.rpm
glibc-devel-2.17-106.el7_2.1.ppc64le.rpm
glibc-headers-2.17-106.el7_2.1.ppc64le.rpm
glibc-utils-2.17-106.el7_2.1.ppc64le.rpm
nscd-2.17-106.el7_2.1.ppc64le.rpm

s390x:
glibc-2.17-106.el7_2.1.s390.rpm
glibc-2.17-106.el7_2.1.s390x.rpm
glibc-common-2.17-106.el7_2.1.s390x.rpm
glibc-debuginfo-2.17-106.el7_2.1.s390.rpm
glibc-debuginfo-2.17-106.el7_2.1.s390x.rpm
glibc-debuginfo-common-2.17-106.el7_2.1.s390.rpm
glibc-debuginfo-common-2.17-106.el7_2.1.s390x.rpm
glibc-devel-2.17-106.el7_2.1.s390.rpm
glibc-devel-2.17-106.el7_2.1.s390x.rpm
glibc-headers-2.17-106.el7_2.1.s390x.rpm
glibc-utils-2.17-106.el7_2.1.s390x.rpm
nscd-2.17-106.el7_2.1.s390x.rpm

x86_64:
glibc-2.17-106.el7_2.1.i686.rpm
glibc-2.17-106.el7_2.1.x86_64.rpm
glibc-common-2.17-106.el7_2.1.x86_64.rpm
glibc-debuginfo-2.17-106.el7_2.1.i686.rpm
glibc-debuginfo-2.17-106.el7_2.1.x86_64.rpm
glibc-debuginfo-common-2.17-106.el7_2.1.i686.rpm
glibc-debuginfo-common-2.17-106.el7_2.1.x86_64.rpm
glibc-devel-2.17-106.el7_2.1.i686.rpm
glibc-devel-2.17-106.el7_2.1.x86_64.rpm
glibc-headers-2.17-106.el7_2.1.x86_64.rpm
glibc-utils-2.17-106.el7_2.1.x86_64.rpm
nscd-2.17-106.el7_2.1.x86_64.rpm

Red Hat Enterprise Linux Server Optional (v. 7):

aarch64:
glibc-debuginfo-2.17-106.el7_2.1.aarch64.rpm
glibc-static-2.17-106.el7_2.1.aarch64.rpm

ppc64:
glibc-debuginfo-2.17-106.el7_2.1.ppc.rpm
glibc-debuginfo-2.17-106.el7_2.1.ppc64.rpm
glibc-debuginfo-common-2.17-106.el7_2.1.ppc.rpm
glibc-debuginfo-common-2.17-106.el7_2.1.ppc64.rpm
glibc-static-2.17-106.el7_2.1.ppc.rpm
glibc-static-2.17-106.el7_2.1.ppc64.rpm

ppc64le:
glibc-debuginfo-2.17-106.el7_2.1.ppc64le.rpm
glibc-debuginfo-common-2.17-106.el7_2.1.ppc64le.rpm
glibc-static-2.17-106.el7_2.1.ppc64le.rpm

s390x:
glibc-debuginfo-2.17-106.el7_2.1.s390.rpm
glibc-debuginfo-2.17-106.el7_2.1.s390x.rpm
glibc-debuginfo-common-2.17-106.el7_2.1.s390.rpm
glibc-debuginfo-common-2.17-106.el7_2.1.s390x.rpm
glibc-static-2.17-106.el7_2.1.s390.rpm
glibc-static-2.17-106.el7_2.1.s390x.rpm

x86_64:
glibc-debuginfo-2.17-106.el7_2.1.i686.rpm
glibc-debuginfo-2.17-106.el7_2.1.x86_64.rpm
glibc-debuginfo-common-2.17-106.el7_2.1.i686.rpm
glibc-debuginfo-common-2.17-106.el7_2.1.x86_64.rpm
glibc-static-2.17-106.el7_2.1.i686.rpm
glibc-static-2.17-106.el7_2.1.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 7):

Source:
glibc-2.17-106.el7_2.1.src.rpm

x86_64:
glibc-2.17-106.el7_2.1.i686.rpm
glibc-2.17-106.el7_2.1.x86_64.rpm
glibc-common-2.17-106.el7_2.1.x86_64.rpm
glibc-debuginfo-2.17-106.el7_2.1.i686.rpm
glibc-debuginfo-2.17-106.el7_2.1.x86_64.rpm
glibc-debuginfo-common-2.17-106.el7_2.1.i686.rpm
glibc-debuginfo-common-2.17-106.el7_2.1.x86_64.rpm
glibc-devel-2.17-106.el7_2.1.i686.rpm
glibc-devel-2.17-106.el7_2.1.x86_64.rpm
glibc-headers-2.17-106.el7_2.1.x86_64.rpm
glibc-utils-2.17-106.el7_2.1.x86_64.rpm
nscd-2.17-106.el7_2.1.x86_64.rpm

Red Hat Enterprise Linux Workstation Optional (v. 7):

x86_64:
glibc-debuginfo-2.17-106.el7_2.1.i686.rpm
glibc-debuginfo-2.17-106.el7_2.1.x86_64.rpm
glibc-debuginfo-common-2.17-106.el7_2.1.i686.rpm
glibc-debuginfo-common-2.17-106.el7_2.1.x86_64.rpm
glibc-static-2.17-106.el7_2.1.i686.rpm
glibc-static-2.17-106.el7_2.1.x86_64.rpm

These packages are GPG signed by Red Hat for security.  Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/

7. References:

https://access.redhat.com/security/cve/CVE-2015-5277
https://access.redhat.com/security/updates/classification/#important

8. Contact:

The Red Hat security contact is . More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2015 Red Hat, Inc.
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RedHat: RHSA-2015-2172:01 Important: glibc security update

Updated glibc packages that fix one security issue are now available for Red Hat Enterprise Linux 7

Summary

The glibc packages provide the standard C libraries (libc), POSIX thread libraries (libpthread), standard math libraries (libm), and the Name Server Caching Daemon (nscd) used by multiple programs on the system. Without these libraries, the Linux system cannot function correctly.
It was discovered that the nss_files backend for the Name Service Switch in glibc would return incorrect data to applications or corrupt the heap (depending on adjacent heap contents) in certain cases. A local attacker could potentially use this flaw to escalate their privileges. (CVE-2015-5277)
This issue was discovered by Sumit Bose and LukÃ¡Å¡ SlebodnÃk of Red Hat.
All glibc users are advised to upgrade to these updated packages, which contain a backported patch to correct this issue.

Summary

Solution

Before applying this update, make sure all previously released errata relevant to your system have been applied.
For details on how to apply this update, refer to:
https://access.redhat.com/articles/11258

References

https://access.redhat.com/security/cve/CVE-2015-5277 https://access.redhat.com/security/updates/classification/#important

Package List

Red Hat Enterprise Linux Client (v. 7):
Source: glibc-2.17-106.el7_2.1.src.rpm
x86_64: glibc-2.17-106.el7_2.1.i686.rpm glibc-2.17-106.el7_2.1.x86_64.rpm glibc-common-2.17-106.el7_2.1.x86_64.rpm glibc-debuginfo-2.17-106.el7_2.1.i686.rpm glibc-debuginfo-2.17-106.el7_2.1.x86_64.rpm glibc-debuginfo-common-2.17-106.el7_2.1.i686.rpm glibc-debuginfo-common-2.17-106.el7_2.1.x86_64.rpm glibc-devel-2.17-106.el7_2.1.i686.rpm glibc-devel-2.17-106.el7_2.1.x86_64.rpm glibc-headers-2.17-106.el7_2.1.x86_64.rpm glibc-utils-2.17-106.el7_2.1.x86_64.rpm nscd-2.17-106.el7_2.1.x86_64.rpm
Red Hat Enterprise Linux Client Optional (v. 7):
x86_64: glibc-debuginfo-2.17-106.el7_2.1.i686.rpm glibc-debuginfo-2.17-106.el7_2.1.x86_64.rpm glibc-debuginfo-common-2.17-106.el7_2.1.i686.rpm glibc-debuginfo-common-2.17-106.el7_2.1.x86_64.rpm glibc-static-2.17-106.el7_2.1.i686.rpm glibc-static-2.17-106.el7_2.1.x86_64.rpm
Red Hat Enterprise Linux ComputeNode (v. 7):
Source: glibc-2.17-106.el7_2.1.src.rpm
x86_64: glibc-2.17-106.el7_2.1.i686.rpm glibc-2.17-106.el7_2.1.x86_64.rpm glibc-common-2.17-106.el7_2.1.x86_64.rpm glibc-debuginfo-2.17-106.el7_2.1.i686.rpm glibc-debuginfo-2.17-106.el7_2.1.x86_64.rpm glibc-debuginfo-common-2.17-106.el7_2.1.i686.rpm glibc-debuginfo-common-2.17-106.el7_2.1.x86_64.rpm glibc-devel-2.17-106.el7_2.1.i686.rpm glibc-devel-2.17-106.el7_2.1.x86_64.rpm glibc-headers-2.17-106.el7_2.1.x86_64.rpm glibc-utils-2.17-106.el7_2.1.x86_64.rpm nscd-2.17-106.el7_2.1.x86_64.rpm
Red Hat Enterprise Linux ComputeNode Optional (v. 7):
x86_64: glibc-debuginfo-2.17-106.el7_2.1.i686.rpm glibc-debuginfo-2.17-106.el7_2.1.x86_64.rpm glibc-debuginfo-common-2.17-106.el7_2.1.i686.rpm glibc-debuginfo-common-2.17-106.el7_2.1.x86_64.rpm glibc-static-2.17-106.el7_2.1.i686.rpm glibc-static-2.17-106.el7_2.1.x86_64.rpm
Red Hat Enterprise Linux Server (v. 7):
Source: glibc-2.17-106.el7_2.1.src.rpm
aarch64: glibc-2.17-106.el7_2.1.aarch64.rpm glibc-common-2.17-106.el7_2.1.aarch64.rpm glibc-debuginfo-2.17-106.el7_2.1.aarch64.rpm glibc-devel-2.17-106.el7_2.1.aarch64.rpm glibc-headers-2.17-106.el7_2.1.aarch64.rpm glibc-utils-2.17-106.el7_2.1.aarch64.rpm nscd-2.17-106.el7_2.1.aarch64.rpm
ppc64: glibc-2.17-106.el7_2.1.ppc.rpm glibc-2.17-106.el7_2.1.ppc64.rpm glibc-common-2.17-106.el7_2.1.ppc64.rpm glibc-debuginfo-2.17-106.el7_2.1.ppc.rpm glibc-debuginfo-2.17-106.el7_2.1.ppc64.rpm glibc-debuginfo-common-2.17-106.el7_2.1.ppc.rpm glibc-debuginfo-common-2.17-106.el7_2.1.ppc64.rpm glibc-devel-2.17-106.el7_2.1.ppc.rpm glibc-devel-2.17-106.el7_2.1.ppc64.rpm glibc-headers-2.17-106.el7_2.1.ppc64.rpm glibc-utils-2.17-106.el7_2.1.ppc64.rpm nscd-2.17-106.el7_2.1.ppc64.rpm
ppc64le: glibc-2.17-106.el7_2.1.ppc64le.rpm glibc-common-2.17-106.el7_2.1.ppc64le.rpm glibc-debuginfo-2.17-106.el7_2.1.ppc64le.rpm glibc-debuginfo-common-2.17-106.el7_2.1.ppc64le.rpm glibc-devel-2.17-106.el7_2.1.ppc64le.rpm glibc-headers-2.17-106.el7_2.1.ppc64le.rpm glibc-utils-2.17-106.el7_2.1.ppc64le.rpm nscd-2.17-106.el7_2.1.ppc64le.rpm
s390x: glibc-2.17-106.el7_2.1.s390.rpm glibc-2.17-106.el7_2.1.s390x.rpm glibc-common-2.17-106.el7_2.1.s390x.rpm glibc-debuginfo-2.17-106.el7_2.1.s390.rpm glibc-debuginfo-2.17-106.el7_2.1.s390x.rpm glibc-debuginfo-common-2.17-106.el7_2.1.s390.rpm glibc-debuginfo-common-2.17-106.el7_2.1.s390x.rpm glibc-devel-2.17-106.el7_2.1.s390.rpm glibc-devel-2.17-106.el7_2.1.s390x.rpm glibc-headers-2.17-106.el7_2.1.s390x.rpm glibc-utils-2.17-106.el7_2.1.s390x.rpm nscd-2.17-106.el7_2.1.s390x.rpm
x86_64: glibc-2.17-106.el7_2.1.i686.rpm glibc-2.17-106.el7_2.1.x86_64.rpm glibc-common-2.17-106.el7_2.1.x86_64.rpm glibc-debuginfo-2.17-106.el7_2.1.i686.rpm glibc-debuginfo-2.17-106.el7_2.1.x86_64.rpm glibc-debuginfo-common-2.17-106.el7_2.1.i686.rpm glibc-debuginfo-common-2.17-106.el7_2.1.x86_64.rpm glibc-devel-2.17-106.el7_2.1.i686.rpm glibc-devel-2.17-106.el7_2.1.x86_64.rpm glibc-headers-2.17-106.el7_2.1.x86_64.rpm glibc-utils-2.17-106.el7_2.1.x86_64.rpm nscd-2.17-106.el7_2.1.x86_64.rpm
Red Hat Enterprise Linux Server Optional (v. 7):
aarch64: glibc-debuginfo-2.17-106.el7_2.1.aarch64.rpm glibc-static-2.17-106.el7_2.1.aarch64.rpm
ppc64: glibc-debuginfo-2.17-106.el7_2.1.ppc.rpm glibc-debuginfo-2.17-106.el7_2.1.ppc64.rpm glibc-debuginfo-common-2.17-106.el7_2.1.ppc.rpm glibc-debuginfo-common-2.17-106.el7_2.1.ppc64.rpm glibc-static-2.17-106.el7_2.1.ppc.rpm glibc-static-2.17-106.el7_2.1.ppc64.rpm
ppc64le: glibc-debuginfo-2.17-106.el7_2.1.ppc64le.rpm glibc-debuginfo-common-2.17-106.el7_2.1.ppc64le.rpm glibc-static-2.17-106.el7_2.1.ppc64le.rpm
s390x: glibc-debuginfo-2.17-106.el7_2.1.s390.rpm glibc-debuginfo-2.17-106.el7_2.1.s390x.rpm glibc-debuginfo-common-2.17-106.el7_2.1.s390.rpm glibc-debuginfo-common-2.17-106.el7_2.1.s390x.rpm glibc-static-2.17-106.el7_2.1.s390.rpm glibc-static-2.17-106.el7_2.1.s390x.rpm
x86_64: glibc-debuginfo-2.17-106.el7_2.1.i686.rpm glibc-debuginfo-2.17-106.el7_2.1.x86_64.rpm glibc-debuginfo-common-2.17-106.el7_2.1.i686.rpm glibc-debuginfo-common-2.17-106.el7_2.1.x86_64.rpm glibc-static-2.17-106.el7_2.1.i686.rpm glibc-static-2.17-106.el7_2.1.x86_64.rpm
Red Hat Enterprise Linux Workstation (v. 7):
Source: glibc-2.17-106.el7_2.1.src.rpm
x86_64: glibc-2.17-106.el7_2.1.i686.rpm glibc-2.17-106.el7_2.1.x86_64.rpm glibc-common-2.17-106.el7_2.1.x86_64.rpm glibc-debuginfo-2.17-106.el7_2.1.i686.rpm glibc-debuginfo-2.17-106.el7_2.1.x86_64.rpm glibc-debuginfo-common-2.17-106.el7_2.1.i686.rpm glibc-debuginfo-common-2.17-106.el7_2.1.x86_64.rpm glibc-devel-2.17-106.el7_2.1.i686.rpm glibc-devel-2.17-106.el7_2.1.x86_64.rpm glibc-headers-2.17-106.el7_2.1.x86_64.rpm glibc-utils-2.17-106.el7_2.1.x86_64.rpm nscd-2.17-106.el7_2.1.x86_64.rpm
Red Hat Enterprise Linux Workstation Optional (v. 7):
x86_64: glibc-debuginfo-2.17-106.el7_2.1.i686.rpm glibc-debuginfo-2.17-106.el7_2.1.x86_64.rpm glibc-debuginfo-common-2.17-106.el7_2.1.i686.rpm glibc-debuginfo-common-2.17-106.el7_2.1.x86_64.rpm glibc-static-2.17-106.el7_2.1.i686.rpm glibc-static-2.17-106.el7_2.1.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key/

Severity

Advisory ID: RHSA-2015:2172-01

Product: Red Hat Enterprise Linux

Advisory URL: https://access.redhat.com/errata/RHSA-2015:2172.html

Issued Date: : 2015-11-19

CVE Names: CVE-2015-5277

Topic

Updated glibc packages that fix one security issue are now available forRed Hat Enterprise Linux 7.Red Hat Product Security has rated this update as having Important securityimpact. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available from the CVE link in theReferences section.